Business Should DOTD look at Tennessee for Baton Rouge traffic solutions? By Domenic Purdy - July 18, 2023 Early morning traffic on Interstate 12 (File photo) FacebookTwitterLinkedinEmailPrint The Louisiana Department of Transportation and Development’s current strategy to alleviate Baton Rouge’s abysmal traffic is an ongoing multiyear Interstate 10 widening project, which will eventually add a new lane in each direction. Already an INSIDER? Sign in.